Example #1
0
RectF CRender::DrawBitmap(
	CDCHandle& dc,
	const RectF& rText,
	IPicture* image,
	const HTMLElement* element,
	const PLACEMENT& placement)
{
	if (image == NULL && (element == NULL || element->GetHtmlElement() == NULL))
		return rText;

	LONG width, height;
	RectF rImg; 
	if (image != NULL) 
	{
		image->get_Width( &width );
		image->get_Height( &height );
		CSize szPic(width, height);
		// convert OLE size into pixels
		dc.HIMETRICtoDP( &szPic );
		rImg.Width = static_cast<float>(szPic.cx);
		rImg.Height = static_cast<float>(szPic.cy);
	} 
	else if (element != NULL)
	{
		rImg = element->GetSize();
	}

	HRESULT hr = S_OK;
	//COLORREF transparent = RGB(253,0,200);
	COLORREF transparent = RGB(0,0,211); // C# transparent gif background color
	CMemBm bmp(dc, 0, 0, 0, (int)rImg.Width, (int)rImg.Height);
	CDCHandle hdcMem = bmp;
	hdcMem.FillSolidRect(0, 0, (int)rImg.Width, (int)rImg.Height, transparent);
	if (image != NULL) 
	{
		hr = image->Render(
			hdcMem,
			0,
			long(rImg.Height),
			long(rImg.Width),
			long(-rImg.Height),
			0,
			0,
			width, height, NULL );
	} 
	else if (element != NULL && element->GetHtmlElement() != NULL) 
	{
		hr = element->GetHtmlElement()->DrawToDC(hdcMem);
	}
	//TODO over support
	if (/*m_overNode != v ||*/ GetScale() > 1.0f) 
	{
		ScaleTransform(rImg);
	}

	AdjustOffsets(rImg, rText, placement);
	bmp.DrawTrans(
		dc,
		int(rImg.x),
		int(rImg.y),
		int(rImg.Width),
		int(rImg.Height),
		transparent);
	return rImg;
}